Answers

Add 84/70 and 18/84

1^st number: 1 14/70, 2^nd number: 18/84

84/70 + 18/84 is 99/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 70 × 6 = 420,
   84/70 = 84 × 6/70 × 6 = 504/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   18/84 = 18 × 5/84 × 5 = 90/420
4. Add the two like fractions:
   504/420 + 90/420 = 504 + 90/420 = 594/420
5. 594/420 simplified gives 99/70
6. So, 84/70 + 18/84 = 99/70
   In mixed form: 129/70

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